MAS3507D Micronas Intermetall, MAS3507D Datasheet - Page 54

• Manufacturer Part Number: MAS3507D
• Description: Mpeg 1/2 Layer 2/3 Audio Decoder
• Manufacturer: Micronas Intermetall

MAS 3507D
4.2.4.5. DC/DC Converter Characteristics
at T
All measurements are made with a C8 R/4L 20 H, 25 m
and Sanyo/Oscon 6SA330M 330 F, 25 m ESR capacitors at input and output (see Section 4.2.4. on page 47).
54
Symbol
V
V
V
dV
V
dV
V
dV
V
h
I
I
R
I
f
t
V
1) see Section 4.2.4.2.
SUPPLY
L,MAX
LEAK
SW
START
max
OUT
OUT
OUT
OUT
IN1
IN2
ON
STARTTRAN
A
OUT
OUT
OUT
= 30 to 85 °C, V
/dV
/dI
/dI
LOAD
LOAD
IN
/
/
/
Parameter
Minimum Start-Up Input
Voltage
Minimum Operating Voltage
Output Voltage
Line Regulation
Load Regulation
Load Regulation
Maximum Efficiency
Supply Current
Inductor Current Limit
Switch On-Resistance
Switch Leakage Current
Switch Frequency
Start Up Time to PUP-Enable
Start-Up to Normal Mode
Transition Voltage
SUP
= 3.0 V, CLK
F
= 14.725 MHz, f
Pin Name
DCSO,
DCSG
DCSO,
DCSG
DCSO,
DCSG
DCSO,
DCSG
DCEN,
PUP
VSENSE
sw
ferrite ring-core coil, Zetex ZLMCS1000 Schottky diode,
Min.
2.0
156
= 230 kHz, typ. values at T
1)
Typ.
0.9
0.6
1.3
1
0.6
1.2
90
1.1
1.0
0.2
0.1
230
8
1.9
Max.
1.0
0.8
1.8
3.5
5
1.4
0.4
1
460
Unit
V
V
V
V
%
%
%
%
mA
A
kHz
ms
V
PRELIMINARY DATA SHEET
A
A
= +27 °C
Test Conditions
I
DCCF = $08000
(Reset)
I
DCCF = $08000
(Reset)
I
DCCF = $08000
(Reset)
see Section 4.2.4.6.
V
I
V
I
f
V
I
f
V
includ. switch current
T
T
Depending on DCCF
V
I
PUPLIM = 010 (Reset)
LOAD
LOAD
LOAD
LOAD
LOAD
SW
LOAD
SW
LOAD
j
j
IN
IN
IN
IN
IN
= 25 C
= 25 C
= 1.0...3.0 V,
= 1.2 V,
= 1.2 V,
= 3.0 V, I
= 1.0 V,
= 230 kHz
= 165 kHz
= 0 mA
= 55 mA,
= 250 mA,
= 55 mA
= 0...55 mA,
= 0...55 mA,
= 1 mA,
LOAD
Micronas
= 0,